8201 Greensboro Drive
Suite LL-4
McLean, VA 22102
(703) 356 3070
8:00 AM – 6:00 PM Monday-Friday

Over 25 years in business, LAN Doctor Inc. (formerly TSS Inc.) provides network administration, system and network integration services and security analysis in the Washington, DC metropolitan area. We work with small businesses and non-profit organizations to help them achieve their IT goals. We specialize in Microsoft Windows^® Small Business Servers, Exchange servers, and Windows^® Servers, as well as Windows^® desktop operating systems.

We have the ability to troubleshoot, repair and maintain your machines and networks. We also specialize in HP and Xerox printers.

Let Us Be Your Network Administrator!
When you don’t have the need for a full time Network Administrator we can fill that role for you! We will assign one of our highly qualified Network Administrators to your company. They will visit you each week and go through our checklist to make sure your server and network are running at optimal efficiency. They will also take care of any system or user problems that may have arisen that week. Why hire a full time person for a part time need?

Remote Service Available

We offer remote service for our customers. You give us a call and we will ask you to click this link for the remote service. If you need help understanding how to use a program or do a task, we can walk you through the procedure. If your computer has malfunctioned, we can fix it, either while you watch or do other tasks.